Durham tube question

Try tilting the broth tube as much as you can while inserting or pushing the
Durham into it. Even if some gas is trapped, you'll still be able to notice the
difference.
StMattsson wrote:
> I am trying to figure out how Durham tubes are placed in fermentation tube
> preparations. (Yes, I know, "upside down". What I want to know is how they are
> placed in the broth without any trapped gas.) An answer or direction to a
> source would be greatly appreciated. Thanks!